/*
 * 
 */

package tareasClase;

import java.util.Scanner;

/**
 *
 * @author Lab
 */
public class trasformarLetras {

    public static void main(String[] args) {
           Scanner esc=new Scanner(System.in);

           System.out.println("dame cadena ");

 String str=esc.next();
 
    for(int x=0;x<str.length();x++){
       
        Character cad=str.charAt(x);
       if(Character.isDigit(cad)){
       
           System.out.println("A");
           
       }else{
            
            char ch=Character.toUpperCase(cad);
            System.out.println(cad);
       }
        
    }


    }
}
